### Nir Mandelker

Senior Lecturer, Racah Institute of Physics,

Hebrew University of Jerusalem

## Thermal physics, 2014-2016

## Lecturer: Prof. Ronen Rapaport

## TAs and recitation lecturers: Nir Mandelker, Almog Yalinewich

Intro to probability theory; Stirling's approximation

State space example: paramagnetic model of N spins

Thermal equilibrium (microscopic view)

Boltzmann distribution and the partition function

Multi-variable functions; degrees of freedom and the equipartition principle

Thermodynamic processes; quasi-static and reversible processes; heat capacity

The Stirling engine; pressure waves and the speed of sound

Engines, refrigerators, heat pumps and the second law of thermodynamics

Thermodynamic potentials; Joule-Kelvin process; osmotic pressure

Stability of thermodynamic systems; Van der Waals gas

Phase transitions and coexistence